42.2% is the change from 590 to 839
Calculation steps:
[( 839 - 590 ) ÷ 590] x 100 = 42.2%
Formula
Percentage change = [(839 - 590) / 590] x 100
Subtract the new number by the original number
839 - 590 = 249
249 ÷ 590 = 0.42203389830508475
0.42203389830508475 x 100 = 42.2%